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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
people shooting the WC 200 gr 7mm's
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<blockquote data-quote="Fiftydriver" data-source="post: 80575" data-attributes="member: 10"><p><strong>Re: people shooting the WC 200 gr 7mm\'s</strong></p><p></p><p>Dave,</p><p></p><p>I have been shooting them in limited amounts in my 7mm AM. In fact just Sunday Morning I trested these bullets out in teh 1-9 twist to see how much velocity I could get with annealed, formed cases and WC872.</p><p></p><p>Here are the velocity results:</p><p></p><p>103.0 gr. 3127 fps</p><p>104.0 gr. 3146 fps</p><p>105.0 gr. 3164 fps</p><p>106.0 gr. 3175 fps </p><p>107.0 gr. 3196 fps Easy extraction, light extractor mark???</p><p></p><p>This was in a 26" barrel. I have yet to test at longer ranges but will be loading up more test loads with the 107 gr load and try them at 500 yards.</p><p></p><p>Accuracy at 100 yards was consistantly between 1/2 and 3/4" which for a bullet of this length is pretty reasonable considering the barrel is only a Shilen standard grade barrel.</p><p></p><p>I am waiting on 5 of the new Lilja 1-7 twist barrel. Did you say my tooling is broke /ubbthreads/images/graemlins/blush.gif /ubbthreads/images/graemlins/blush.gif /ubbthreads/images/graemlins/grin.gif!!!</p><p></p><p>I just talked with Dan late last week and he also said the barrels would be getting rifled here very soon. Hope so, I have several customers wanting to try these things out!!</p><p></p><p>I will hold off saying that the 1-9 twist will fully stabilize the 200 gr ULD RBBT. I suspect it will not. ss7mm has told me in his testing of the 1-10 twist that at extended ranges the consistancy in grouping was not there with the 200 gr ULD RBBTs. I was suprised they even landed on point to be honest.</p><p></p><p>I would like to echo what Dan has already stated, if your going to build a rifle to shoot a 200 gr ULD RBBT, why not use the 3 groove 1-7 as it is available and will certainly fully stabilize this bullet in any conditions, even the worst possible.</p><p></p><p>I will be reporting soon on the 500 yard range test with these bullets.</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 80575, member: 10"] [b]Re: people shooting the WC 200 gr 7mm\'s[/b] Dave, I have been shooting them in limited amounts in my 7mm AM. In fact just Sunday Morning I trested these bullets out in teh 1-9 twist to see how much velocity I could get with annealed, formed cases and WC872. Here are the velocity results: 103.0 gr. 3127 fps 104.0 gr. 3146 fps 105.0 gr. 3164 fps 106.0 gr. 3175 fps 107.0 gr. 3196 fps Easy extraction, light extractor mark??? This was in a 26" barrel. I have yet to test at longer ranges but will be loading up more test loads with the 107 gr load and try them at 500 yards. Accuracy at 100 yards was consistantly between 1/2 and 3/4" which for a bullet of this length is pretty reasonable considering the barrel is only a Shilen standard grade barrel. I am waiting on 5 of the new Lilja 1-7 twist barrel. Did you say my tooling is broke [img]/ubbthreads/images/graemlins/blush.gif[/img] [img]/ubbthreads/images/graemlins/blush.gif[/img] [img]/ubbthreads/images/graemlins/grin.gif[/img]!!! I just talked with Dan late last week and he also said the barrels would be getting rifled here very soon. Hope so, I have several customers wanting to try these things out!! I will hold off saying that the 1-9 twist will fully stabilize the 200 gr ULD RBBT. I suspect it will not. ss7mm has told me in his testing of the 1-10 twist that at extended ranges the consistancy in grouping was not there with the 200 gr ULD RBBTs. I was suprised they even landed on point to be honest. I would like to echo what Dan has already stated, if your going to build a rifle to shoot a 200 gr ULD RBBT, why not use the 3 groove 1-7 as it is available and will certainly fully stabilize this bullet in any conditions, even the worst possible. I will be reporting soon on the 500 yard range test with these bullets. Kirby Allen(50) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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people shooting the WC 200 gr 7mm's
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